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TENS所用的电极有两种:金属箔电极和导电橡皮电极。金属箔电极阻抗小,远不足1Ω,但与皮肤之间的空隙差异显著,须用耦合剂充填之。橡
There are two types of electrodes used for TENS: metal foil electrodes and conductive eraser electrodes. Metal foil electrode impedance is small, far less than 1Ω, but significant differences between the gap with the skin, to be filled with the coupling agent. oak